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Curtis Controller Fault Code Translator

Full List Of Faults For Motor Controller Model 1243

Code Fault Cause
11Current Shunt
1. Abnormal vehicle operation causing high current spikes.
2. Current sensor out of range.
3. Controller failure.
12Hardware Failsafe
1. Noisy environment.
2. Self-test or watchdog Fault.
3. Controller failure.
13M-Shorted.
1.Internal or External short of M- to B-.
2. Incorrect motor wiring.
3. Controller Failure
14Static Return to Off
1. Improper sequence of KSI, interlock, and direction inputs.
2. Interlock or direction switch circuit open.
3. Sequencing delay too short.
4. Wrong Static Return to Off or throttle type selected.
5. Misadjusted throttle pot
21Throttle Wiper Hi
1. Throttle input wire open or shorted to B+.
2. Defective throttle pot.
3. Wrong throttle type selected
22EMR REV Wiring
1.Emergency reverse wire or check wire open.
23High Pedal Disable
1. Improper sequence of KSI, interlock, and direction inputs.
2. Interlock or direction switch circuit open.
3. Sequencing delay too short.
4. Wrong Static Return to Off or throttle type selected.
5. Misadjusted throttle pot
23Service Total
1. Total maintenance timer expired.
23Service Traction
1. Tractiontion maintenance timer expired
23Total Disabled
1. Total disable timer expired.
23Traction Disabled
1. Tractiontion disable timer expired.
24Throttle Wiper Lo
1. Throttle pot wire open or shorted to B+.
2. Wrong throttle type selected.
3. Defective throttle pot
31Field Short
1. Main Contactor coil shorted.
2. Field winding shorted to B+ or B-.
3. Field resistance too short
32Main Contactor Welded
1. Main Contactor stuck closed.
2. Main Contactor driver shorted
33Field Open
1. Field winding connection open.
2. Field winding open.
34Missingg Contactor
1. Main Contactor coil open.
2. Main Contactor missing.
3. Wire to main Contactor open.
41Low Battery Voltage
1. Battery voltage below Under Voltage Cutback threshold.
2. Corroded battery terminal.
3. Loose battery or Controller terminal.
42Over Voltage
1. Battery voltage above Over Voltage shutdown threshold.
2. Vehicle operating with charger attached.
43Thermal Cutback
1. Temperature above 85 DEG C or below -25 DEG C.
2. Excessive load on vehicle.
3. Improper mounting of Controller.
44Anti-Tiedown
1. Mode switches shorted to B+.
2. Mode select 1 "tied down" to select Mode 2 or Mode 4 permanently.
44Motor Hot
1. Field resistance above motor hot setpoint
44Motor Warm
1. Field resistance above motor warm setpoint

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